"This polyethylene swivel caster with polyethylene hub is ideal for carts, bins or containers, has steel construction and steel ball bearings. Rolls quietly with less marking. Wheel Type Polyethylene/polyethylene core, Foot Brake No, Mount Height in. 5 1/4, Caster Type Swivel, Wheel Diameter in. 4, Top Plate Dimensions L x W in. 4 1/2 x 4, Overall Height in. 5 1/4, Capacity lbs. 550, Bolt Hole Spacing 3 3/8 x 3, Wheel Width in. 1 11/16, Casters qty. 1. Rugged steel construction Steel ball bearings Caster has a width of 1 11/16in. and flares to 2in. by the hub Overall Hole Centers Spread to 3 3/8in. x 3in. Single needle ball bearing with race that slides over axle Mounted on 4 1/2in. x 4in. top plate"
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